Steam-engine governor



(No Model.)

F. H. BALL. STEAM ENGINE GOVERNOR.

No. 454,511. Patented June 23,1891.

InvEhtur K2 6 7% /3M AW 9M WItTIEEEEE By 1115 A tlfys- UNITED STATESPATENT OFFICE.

FRANK. H. BALL, OF ERIE, PENNSYLVANIA.

STEAM-ENGINE GOVERNOR.

SPECIFICATION forming part of Letters Patent No. 454,511, dated June 23,1891. Application filed March 31, 1891. Serial No. 387,150. (No model.)

To all whom it may concern:

Be it known that I, FRANK. H. BALL, a citizen of the United States,residing at Erie, in the county of Erie and State of Pennsylvania, haveinvented certain new and useful Improvements in Steam-Engine Governors;and I do hereby declare the following to be a full, clear, and exactdescription of the invention, such as will enable others skilled in theart to which it appertains to make and use the same.

This invention relates to that class of steam-engine valve-gears inwhich the action of the steam-valve is varied by shifting the positionof the eccentric which moves it; and it consists in certain improvementsin the construction of the same, as will be hereinafter fully set forth,and pointed out in the claim.

The invention is illustrated in the accompanying drawings as follows:

Figure 1 shows the engine-shaft in transverse vertical section and thegovernor in elevation, looking from the frame of the engine. Fig. 2shows the wheel B and the governor parts in vertical section on the lineas or in Fig. 1 and the shaft in elevation.

Only such parts are shown as are necessary to illustrate the invention.

A marks the engine-shaft; B, the fly-wheel or belt-pulley of the engine;F F, the centrif ugally-acting weights. The centripetallyacting springsare not shown, the lines H H only marking their position. These commonand elementary features of the governor may be of any desiredconstruction, and as they form no part of my invention they require hereno detailed description.

0 is an eccentric, which may be secured to the hub ll of the wheel B byscrews 0, as shown, or by any other means, or it may be secured to theshaft A in any manner desired.

D is a collar or strap fitted loosely on the eccentric C. It is heldagainst lateral movement by the lip (Z on one side and a faceplate E onthe other side, said face-plate being secured to the collar D by screws6'.

E is an eccentric which is secured to the face-plate E either by beingformed integrally therewith, as shown, or otherwise, as desired. Thiseccentric embraces the shaft A, and the faceplate is provided withelongated opening 0 to allow the eccentric E to move diametrically uponthe shaft, which movement will occur Whenever the strap D is turned uponthe eccentric O, and such movement of the strap will occur whenever theweights F move centrifngally or centripetally, for said Weights areconnected by links G with said strap, said links being pivoted to theweights at f and to the strap D at g.

This invention is in the nature of an int provement upon theconstruction shown in an application filed by me May 16,1890, andnumbered serially 352,031, and consists, essentially, in adapting thevalve-gear, there shown as applied at the end of the main shaft, to beapplied at any point along the shaft. In the said former constructionthe face-plate E, which is a counterpart of the face-plate E in thisconstruction, was provided with a crank-pin F, to which the valverod wasconnected, and it necessarily had to be located at the outer end of theshaft and on the outside of the belt-pulley or fly-wheel. I11 certaindesigns of engines it is not desirable that the valve-gear be thuslocated; but it is much preferable that it be located between thebelt-pulley and the engine-frame or within the length of the main shaft,and to efiect such arrangement of the valve-gear is the object of myinvention.

The changes of construction necessary to secure the result desired areto provide the face-plate E with an elongated shaft-opening e, and inplace of the crankpin F, used in the former construction, attach to, orbuilt upon, the face-plate the eccentric E.

What I claim as new is In an automatic cut-off-valve gear forsteam-engines, the combination, substantially as set forth, of the diskC, secured eccentrically on the shaft A, the yoke D, and faceplate E,concentrically jonrnaled on said disk, said face-plate having an opening6 therein for the shaft A of sufiiciently greater diameter than theshaft to allow of the rotative movement ofthe said plate concentricallyupon said eccentrically-supported disk, the eccentric E, attached tosaid plate E and surrounding said shaft-opening e, and the flyballs orweights F, connected with said yoke by the links G.

In testimony whereof I allix my signature in presence of two witnesses.

FRANK. II. BALL.

Witnesses:

J NO. K. HALLocK, WM. P. HAYES.

